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Commitments and Contingencies - Additional Information (Detail) (USD $) | 3 Months Ended | 0 Months Ended | 1 Months Ended
--- | --- | --- | ---
Mar. 31, 2015 acre | Nov. 01, 2015 | Jan. 31, 2015 acre
Loss Contingencies [Line Items] |  |  |
Expended or accrued for capital improvements | $ 562,500 us-gaap_PaymentsForCapitalImprovements |  |
Additional costs expected for capital improvements | 188,000 us-gaap_PaymentsForLeasingCostsCommissionsAndTenantImprovements |  |
Farm Acres | 7,185 land_FarmableAreaOfLand |  |
Initial payment made for acquisition of real estate property | 19,869,405 us-gaap_PaymentsToAcquireRealEstate |  |
West Gonzales [Member] |  |  |
Loss Contingencies [Line Items] |  |  |
Total cost of upgrading cooling facility | 175,956 land_EstimatedCoolingFacilityUpgradeCost / us-gaap_RealEstatePropertiesAxis = land_WestGonzalesMember |  |
Cost of upgrading cooling facility reimbursed through insurance proceeds | 113,371 land_EstimatedCoolingFacilityUpgradeCostRecoveredFromInsurance / us-gaap_RealEstatePropertiesAxis = land_WestGonzalesMember |  |
West Gonzales [Member] | Fire [Member] |  |  |
Loss Contingencies [Line Items] |  |  |
Cash paid for repairs, reimbursed through insurance proceeds | 320,828 land_CashPaidForRepairsProceedFromInsuranceSettlements / us-gaap_LiabilityForCatastropheClaimsByCatastrophicEventAxis = us-gaap_FireMember / us-gaap_RealEstatePropertiesAxis = land_WestGonzalesMember |  |
Additional payment of remaining repairs | 35,648 land_AdditionalPaymentForRepairsProceedFromInsuranceSettlements / us-gaap_LiabilityForCatastropheClaimsByCatastrophicEventAxis = us-gaap_FireMember / us-gaap_RealEstatePropertiesAxis = land_WestGonzalesMember |  |
Wauchula Road [Member] |  |  |
Loss Contingencies [Line Items] |  |  |
Farm Acres | 590 land_FarmableAreaOfLand / us-gaap_RealEstatePropertiesAxis = land_WauchulaRoadMember |  |
Wauchula Road [Member] | Drip Irrigation [Member] |  |  |
Loss Contingencies [Line Items] |  |  |
Farm Acres | 125 land_FarmableAreaOfLand / us-gaap_PropertyPlantAndEquipmentByTypeAxis = us-gaap_LandImprovementsMember / us-gaap_RealEstatePropertiesAxis = land_WauchulaRoadMember |  |
Wauchula Road [Member] | Drip Irrigation [Member] | Maximum [Member] |  |  |
Loss Contingencies [Line Items] |  |  |
Aggregate cost of improvements | 1,500,000 us-gaap_ProfessionalAndContractServicesExpense / us-gaap_PropertyPlantAndEquipmentByTypeAxis = us-gaap_LandImprovementsMember / us-gaap_RangeAxis = us-gaap_MaximumMember / us-gaap_RealEstatePropertiesAxis = land_WauchulaRoadMember |  |
Sycamore Road [Member] |  |  |
Loss Contingencies [Line Items] |  |  |
Lease, acquisition, irrigation improvements, description | In connection with the follow-on lease we executed upon our acquisition of Sycamore Road in July 2014, we are required to make certain irrigation improvements on the property to increase overall water availability by November 1, 2015. These improvements are expected to be completed during the three months ending September 30, 2015. As of March 31, 2015, we have expended or accrued $562,500 related to these improvements, and we expect to incur additional costs of approximately $188,000. In addition, we will earn additional rent on the total cost of these improvements, up to a total cost of $750,000, commensurate with the annual yields on the farmland. |  |
Sycamore Road [Member] | Scenario, Forecast [Member] | Maximum [Member] |  |  |
Loss Contingencies [Line Items] |  |  |
Expected cost of irrigation improvements to increase overall water availability |  | 750,000 land_ExpectedCostForIrrigationImprovementsOnPropertyToIncreaseWaterAvailability / us-gaap_RangeAxis = us-gaap_MaximumMember / us-gaap_RealEstatePropertiesAxis = land_SycamoreRoadMember / us-gaap_StatementScenarioAxis = us-gaap_ScenarioForecastMember |
Espinosa Road [Member] |  |  |
Loss Contingencies [Line Items] |  |  |
Area of nonfarmable land |  |  | 4.5 land_NonfarmableAreaOfLand / us-gaap_RealEstatePropertiesAxis = land_EspinosaRoadMember
Fair compensation amount for nonfarmable land |  |  | 160,000 land_AcquisitionOfRealEstatePropertyFairCompensationAmountForNonfarmableLand / us-gaap_RealEstatePropertiesAxis = land_EspinosaRoadMember
Parrish Road [Member] |  |  |
Loss Contingencies [Line Items] |  |  |
Initial payment made for acquisition of real estate property | 3,200,000 us-gaap_PaymentsToAcquireRealEstate / us-gaap_RealEstatePropertiesAxis = land_ParrishRoadMember |  |
Additional compensation committed upon approval of increase in water permits | 700,000 land_AcquisitionOfRealEstatePropertyAdditionalCompensationCommittedUponApprovalOfIncreaseInWaterPermits / us-gaap_RealEstatePropertiesAxis = land_ParrishRoadMember |  |
additional compensation committed upon irrigation improvements and upgrades | $ 500,000 land_AcquisitionOfRealEstatePropertyAdditionalCompensationCommittedUponIrrigationImprovementsAndUpgrades / us-gaap_RealEstatePropertiesAxis = land_ParrishRoadMember |  |

X
- Definition Acquisition of real estate property additional compensation committed upon approval of increase in water permits. + References No definition available. + Details
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- Definition Acquisition of real estate property additional compensation committed upon irrigation improvements and upgrades. + References No definition available. + Details
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- Definition The cash outflow for acquisition of or capital improvements to properties held for investment (operating, managed, leased) or for use. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Investing Activities -URI http://asc.fasb.org/extlink&oid=6516133 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3213-108585 + Details
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- Definition Net cash outflow for the allowance granted to lessee and/or direct costs incurred by lessor used to prepare the leased premises for tenant's occupancy; for costs that are essential to originating the lease and would not otherwise have been incurred without the lease agreement, including but not limited to, evaluating the lessee's credit condition, guarantees, and collateral and costs incurred in negotiating, processing, and executing the lease agreement; and for any commission(s) incurred. + References No definition available. + Details
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- Definition The cash outflow from the acquisition of a piece of land, anything permanently fixed to it, including buildings, structures on it and so forth; includes real estate intended to generate income for the owner; excludes real estate acquired for use by the owner. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3213-108585 + Details
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